Answer / mehran

flow of the electrons is called current.
transfromer is not change frequency .but voltage step up.and down voltage.

what is the spdt

1 Answers  

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what is differance between dirty earthing and clean earthing and their applications

2 Answers   CB&I Lummus,

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What are the essential characteristics of signal flow graphs?

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What is the source of dependent source ?

0 Answers  

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How to protect the water pump by no load running.

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is there any role of power factor with frequency variation? and how we can manage the frequency variation?

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how to reduce earth to neutral voltage?

8 Answers   Field Gun Factory,

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How to take of Transformer oil Break down voltage test?

2 Answers  

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1. What kVA rating is required for a transformer that must handle a maximum load current of 8 A with a secondary voltage of 2 kV?

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presently I am working in private sector.In powergrid interview recruiter asked me why you join this organization.

0 Answers   Power Grid,

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A 6-pole, 50 Hz, 3-phase synchronous motor and on 8-pole, 50 Hz, 3-phase slip-ring induction motor are mechanically coupled and operate on the same 3-phase, 50 Hz supply. If they are left open-circuited, then the frequency of the voltage produced across any two slip rings would be

2 Answers   L&T,

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we are having 110 Kv,250mA Electrostatic precipitators for coal fired boilers. what will be static voltage and current after discharge and what time it will remain before earthing?

0 Answers   Siemens,

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